BMW Motorsport Parts and Upgrades
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M235i/M240i Racing
James Clay, M240i Racing, 2020 SRO TC Driver’s Champion
James Clay, M240i Racing, 2020 SRO TC Driver’s Champion
BimmerWorld has campaigned five M235i Racing and M240i Racing cars since 2018 culminating in winning the SRO TC Driver’s Championship in 2020. That year the team scored 4 wins and 14 podium finishes! President James Clay has raced the M235iR/M240iR around the world, including multiple VLN, 6H and 24H races at the Nürburgring. Now many of these cars are moving to club and semi-pro level events and we enthusiastically support these efforts. Not only are supplying parts under the original homologation rules we are applying our vast tuning knowledge to get more out of these cars. The M235iR makes a fantastic track day machine, but when rules allow (or when rules don’t apply), BimmerWorld has an extensive program of M235iR upgrades, spares, and equipment to help you go faster and get the most enjoyment from your race car.
The M235iR/M240iR is built with parts from the M235i street car, E92 M3 GT4, and F82 M4 GT4 race cars. Much of the engine internals are shared with the N55 engine used in the M235i and 2016-2018 M2. The suspension arms use monoball bearings (2016 spec) with KW Competition coil overs, and the differential is from the E92 M3 GT4. The body is custom-designed using flares and extensions unique to the M235i body shell and necessary to clear the 10.0″ wide wheels.
The first cars from BMW Motorsport were delivered in 2014. A 2016 Evolution package updated the suspension bushings and added a rear wing. For 2019 the car was renamed the M240i Racing to keep it aligned with the street car nomenclature but the specs remained as before with minor cosmetic and functional upgrades.
Here you will find parts from the BMW Motorsport catalog for the M235iR. These are Genuine parts needed to ensure compliance with rules or to maintain the original performance and spec of the factory-built car. We have extensive spare parts listed and usually with better prices, more knowledge, and an easier buying process than buying from an authorized Motorsport dealer.
M235i Racing Upgrades:
From our racing experience and talking with customers, we have several “Must Have” upgrades for a track day or club racer M235i/M240i. These are upgrades from the standard spec so check your rulebook to maintain compliance. Club racers and track enthusiasts who don’t have to follow a rulebook can make significant gains in performance and speed with these upgrades and elevate the M235i from a confined spec racer into the more serious and capable race car we know it can be.
The M235iR suspension is the most obvious upgrade area with the most significant gains. The supplied KW dampers certainly work well, but their performance degrades quickly and we have found that for pro use (or maintaining a stock performance level), frequent rebuilds are required. We have worked with Motion Control Suspension on much more compliant (wish they were ‘Ring legal!) and robust racing damper packages, as well as an array of replacement arms, bushings and upgrades.
M235i Racing Aero & Exterior Upgrades The 2016 Evo package included a rear wing for more downforce. But it’s small and designed to make the car more competitive in its class, not for maximum downforce. We have several larger rear wing options that will help with high speed grip.
M235iR comes with either PFC or AP Racing calipers over 372mm rotors. We have a large selection of replacement pads for each caliper as well as other consumables such as PFC rotor rings, caliper rebuild kits, and fluid.
Every car can use better cooling and more so on track driven turbo cars. The M235iR uses a lot of stock street car cooling hardware such as the radiator and oil cooler. We have upgrades to keep temps down and power up.
Since the M235iR uses an automatic transmission and limited-slip diff there is not much to “upgrade” but we have several items that may be useful, including the factory Evo solid transmission mounts and differential rebuilds/upgrades.
Here you will find mostly maintenance items for the M235iR – belts, pulleys, spark plugs, ignition coils, filters, etc.
Engine software upgrades are in the works and will be released shortly.
We have a large catalog of universal safety items from fire systems to window nets.
The M235iR uses a 18×10″ wheel in the front and rear and there are plenty of light weight and strong wheel options in addition to the factory BBS wheels.
M4 GT4
BimmerWorld M4 GT4 at Mid Ohio
BimmerWorld M4 GT4 at Mid Ohio
BimmerWorld has consistently been among the top privateer BMW teams in the world over the last few seasons. No other team has fielded more Customer Racing cars in the IMSA and SRO series. BimmerWorld gave the M4 GT4 its first podium (Daytona) and first win (Road Atlanta) in North American endurance racing in addition to numerous wins, podiums, and constructor points. The M4 GT4 was a well-developed car right out of the box but significant additional work was required to make it legal and safe for racing in the USA. BimmerWorld has always tested extensively before and during the season to understand the M4 better and how to make it faster within the rules. Outside of GT4 rules we can apply an arsenal of race-quality components to make the M4 faster and handle better. If you’re building a M4 track car or race car, contact us with your needs so we can help. Wherever rules allow – or when rules don’t apply – BimmerWorld has a burgeoning program of M4 upgrades, spares, and equipment to help you go faster and get the most enjoyment from your race car.
The M4 GT4 is built with a mix off-the-shelf M4 parts with a small number of specialized pieces, which makes sense as the GT4 class is intended for production-based road cars (very similar to Group N cars of the 1980s-1990s). The engine, transmission, suspension, and much of the body are carried over from the road car – it’s actually closer in spec to a M4 GTS than you might realize. BMW modified the M4 GT4’s suspension geometry to allow 11.0″ wide wheels and better aerodynamics and unfortunately these parts can’t just be bolted on to upgrade a road car, but we can supply similar components that are more cost-effective and in most cases even more potent than the tightly-regulated GT4 catalog.
M4 GT4 Parts
M4 GT4 Spare Parts and Standard Parts
Contact us if you are in need of Genuine BMW Motorsport parts for M4 GT4. These are Genuine parts needed to ensure compliance with rules or to maintain the original performance and spec of the factory-built car. We have access to extensive spare parts and usually with better prices, more knowledge, and an easier buying process than buying from an authorized Motorsport dealer.
M4 Track & Racing Upgrades:
With a full year of racing the M4 under our driving suits, we have several “Must Have” upgrades for a track day or club racer M4. These are upgrades intended for dedicated track and race cars and not for street cars that spend occasional time on track. For street car upgrades, check out our other M3/M4 Project Cars by
Other BMW Motorsport Parts
M4 GT4 Body-in-White next to BimmerWorld-OPTIMA M4 GT4
M4 GT4 Body-in-White next to BimmerWorld-OPTIMA M4 GT4
As a true BMW tuner we are also engaged at racing and track events all over the country and with multiple BMW race cars. If you’re looking for Genuine BMW Motorsport parts or other racing upgrades and equipment, we want to be your source! Contact us via email or phone with your Motorsport parts needs. We usually have better prices, more knowledge, better service, and an easier ordering process than going through a Motorsport dealer.
Not all of our Motorsport parts end up on our website. If you don’t see the part you’re looking for please don’t hesitate to call or email with your needs.
A Sampling of BMW Motorsport Parts:
BimmerWorld is the only organization in the USA competing with both the M235i/M240i Racing and M4 GT4 and developing upgrades for these cars in private hands. Very few individuals, let alone teams, have the depth of experience with BMW Customer Racing machines than BimmerWorld. If you are lucky enough to own a M235iR, M240iR, M2 CS Racing, or M4 GT4 browse our catalog of replacement parts, spares, and upgrades, or reach out to us for advice and insight. We offer the homologated factory BMW parts as well as upgrades for cars no longer under homologation rules.BimmerWorld has campaigned five M235i Racing and M240i Racing cars since 2018 culminating in winning the SRO TC Driver’s Championship in 2020. That year the team scored 4 wins and 14 podium finishes! President James Clay has raced the M235iR/M240iR around the world, including multiple VLN, 6H and 24H races at the Nürburgring. Now many of these cars are moving to club and semi-pro level events and we enthusiastically support these efforts. Not only are supplying parts under the original homologation rules we are applying our vast tuning knowledge to get more out of these cars. The M235iR makes a fantastic track day machine, but when rules allow (or when rules don’t apply), BimmerWorld has an extensive program of M235iR upgrades, spares, and equipment to help you go faster and get the most enjoyment from your race car.The M235iR/M240iR is built with parts from the M235i street car, E92 M3 GT4, and F82 M4 GT4 race cars. Much of the engine internals are shared with the N55 engine used in the M235i and 2016-2018 M2. The suspension arms use monoball bearings (2016 spec) with KW Competition coil overs, and the differential is from the E92 M3 GT4. The body is custom-designed using flares and extensions unique to the M235i body shell and necessary to clear the 10.0″ wide wheels.The first cars from BMW Motorsport were delivered in 2014. A 2016 Evolution package updated the suspension bushings and added a rear wing. For 2019 the car was renamed the M240i Racing to keep it aligned with the street car nomenclature but the specs remained as before with minor cosmetic and functional upgrades.Here you will find parts from the BMW Motorsport catalog for the M235iR. These are Genuine parts needed to ensure compliance with rules or to maintain the original performance and spec of the factory-built car. We have extensive spare parts listed and usually with better prices, more knowledge, and an easier buying process than buying from an authorized Motorsport dealer.From our racing experience and talking with customers, we have several “Must Have” upgrades for a track day or club racer M235i/M240i. These are upgrades from the standard spec so check your rulebook to maintain compliance. Club racers and track enthusiasts who don’t have to follow a rulebook can make significant gains in performance and speed with these upgrades and elevate the M235i from a confined spec racer into the more serious and capable race car we know it can be. M235i Racing Suspension Upgrades The M235iR suspension is the most obvious upgrade area with the most significant gains. The supplied KW dampers certainly work well, but their performance degrades quickly and we have found that for pro use (or maintaining a stock performance level), frequent rebuilds are required. We have worked with Motion Control Suspension on much more compliant (wish they were ‘Ring legal!) and robust racing damper packages, as well as an array of replacement arms, bushings and upgrades.The 2016 Evo package included a rear wing for more downforce. But it’s small and designed to make the car more competitive in its class, not for maximum downforce. We have several larger rear wing options that will help with high speed grip. M235i Racing Brake Upgrades M235iR comes with either PFC or AP Racing calipers over 372mm rotors. We have a large selection of replacement pads for each caliper as well as other consumables such as PFC rotor rings, caliper rebuild kits, and fluid. M235i Racing Cooling Upgrades Every car can use better cooling and more so on track driven turbo cars. The M235iR uses a lot of stock street car cooling hardware such as the radiator and oil cooler. We have upgrades to keep temps down and power up. M235i Racing Driveline Upgrades Since the M235iR uses an automatic transmission and limited-slip diff there is not much to “upgrade” but we have several items that may be useful, including the factory Evo solid transmission mounts and differential rebuilds/upgrades. M235i Racing Engine Upgrades Here you will find mostly maintenance items for the M235iR – belts, pulleys, spark plugs, ignition coils, filters, etc. M235i Racing Engine Software Upgrades Engine software upgrades are in the works and will be released shortly. M235i Racing Safety Upgrades We have a large catalog of universal safety items from fire systems to window nets. M235i Racing Wheel Upgrades The M235iR uses a 18×10″ wheel in the front and rear and there are plenty of light weight and strong wheel options in addition to the factory BBS wheels.BimmerWorld has consistently been among the top privateer BMW teams in the world over the last few seasons. No other team has fielded more Customer Racing cars in the IMSA and SRO series. BimmerWorld gave the M4 GT4 its first podium (Daytona) and first win (Road Atlanta) in North American endurance racing in addition to numerous wins, podiums, and constructor points. The M4 GT4 was a well-developed car right out of the box but significant additional work was required to make it legal and safe for racing in the USA. BimmerWorld has always tested extensively before and during the season to understand the M4 better and how to make it faster within the rules. Outside of GT4 rules we can apply an arsenal of race-quality components to make the M4 faster and handle better. If you’re building a M4 track car or race car, contact us with your needs so we can help. Wherever rules allow – or when rules don’t apply – BimmerWorld has a burgeoning program of M4 upgrades, spares, and equipment to help you go faster and get the most enjoyment from your race car.The M4 GT4 is built with a mix off-the-shelf M4 parts with a small number of specialized pieces, which makes sense as the GT4 class is intended for production-based road cars (very similar to Group N cars of the 1980s-1990s). The engine, transmission, suspension, and much of the body are carried over from the road car – it’s actually closer in spec to a M4 GTS than you might realize. BMW modified the M4 GT4’s suspension geometry to allow 11.0″ wide wheels and better aerodynamics and unfortunately these parts can’t just be bolted on to upgrade a road car, but we can supply similar components that are more cost-effective and in most cases even more potent than the tightly-regulated GT4 catalog.Contact us if you are in need of Genuine BMW Motorsport parts for M4 GT4. These are Genuine parts needed to ensure compliance with rules or to maintain the original performance and spec of the factory-built car. We have access to extensive spare parts and usually with better prices, more knowledge, and an easier buying process than buying from an authorized Motorsport dealer.With a full year of racing the M4 under our driving suits, we have several “Must Have” upgrades for a track day or club racer M4. These are upgrades intended for dedicated track and race cars and not for street cars that spend occasional time on track. For street car upgrades, check out our other M3/M4 Project Cars by clicking here As a true BMW tuner we are also engaged at racing and track events all over the country and with multiple BMW race cars. If you’re looking for Genuine BMW Motorsport parts or other racing upgrades and equipment, we want to be your source! Contact us via email or phone with your Motorsport parts needs. We usually have better prices, more knowledge, better service, and an easier ordering process than going through a Motorsport dealer.Not all of our Motorsport parts end up on our website. If you don’t see the part you’re looking for please don’t hesitate to call or email with your needs.