Fxx-All Products

The Rennstall Type 3 shift knob in stainless steel is a beautiful piece of craftsmanship.  Upgrade your interior with this classy shift knob.  CAD ...

Precision CNC'd in the USA out of black delrin, the Rennstall Type 2 Motorsport shift knob is for those looking for a motorsport style knob. Design...

BMW’s B58 engine is known for its strength and reliability across multiple models, but like any design, it has a few weaknesses. One notable issue ...

This small plug-and-play unit connects into the factory wiring harness and allows the driver full control of the exhaust valve whenever they want....

Need a new brace to fit your larger exhaust for your F80? Order this!

The MMR Performance BMW Magnetic Diff Plug is a simple, cost effective upgrade that can dramatically increase your differential's lifespan. As the ...

Fits oil pans with M12x1.5 thread. The MMR Performance BMW Magnetic Sump/Oil Pan Plug is a simple yet effective upgrade that can dramatically incre...

Issues relating to the OE three-piece crank hub found in the S55 and N55 engine are unfortunately widely known. Thankfully, these issues are addres...

Make refueling great again! MMR Performance’s replacement Billet Fuel Cap is one of those upgrades that will delight you every time you fill your t...

The MMR Performance billet oil filler cap for all BMW B58 I N54 I N55 I S54 I S55 I S63 makes topping up your oil a pleasure! It has been designed ...

Drive your M-car hard and the chances are you’ve experienced brake fade at some point. That’s where our High Performance RP650 Brake Pads come in. ...

Drive your M-car hard and the chances are you’ve experienced brake fade at some point. That’s where our High Performance RP650 Brake Pads come in. ...

*Recommended for high-powered cars over 700HP* Engine failures caused by the standard three-piece crank hub on the S55 and N55 engine are (unfortun...

It’s well documented that the N55 engine found in the M135i I M235i I 335i I 435i is prone to oil starvation issues when pushed hard on the road an...

BMW equip their cars with a plastic oil filter housing which is fragile and is often cracked when removing and replacing, which in turn can result ...

Manufactured from T6061 billet aluminum, the MMR Performance Thermostat Cover dress up kit for the BMW N55,N54 and S55 engines offers a high-qualit...

The drop link attaches the front anti roll bar ends to the front damper. The OEM links were made the length they are for a reason - to compliment t...

The drop link attaches the front anti roll bar ends to the front damper. The OEM links were made the length they are for a reason - to compliment t...

Designed and engineered in-house in the UK, the MMR differential insert kit for the BMW F2x and F3x chassis is designed to limit movement in the fa...

Designed and engineered in-house in the UK, the MMR rear subframe insert kit for the BMW F2x and F3x chassis is designed to limit movement in the f...

The MMR BMW High-Flow Charge Pipe kit will improve performance, reliability and even aesthetics of your BMW M5 F10 and M6 F1x with S63 engine. With...

The MMR High-Flow Charge Pipe Kit will improve performance, reliability and aesthetics of your S55-powered M2 competition, M3 or M4. With increased...

The MMR High-Flow Charge Pipe (Intake Side) improves performance, reliability and aesthetics of your BMW M135i I M235i I 335i I 435i I M2 with N55 ...

Unlike conventional lowering springs, the MMR Height Adjustable Sport Spring kit for the current F8x M2, M2C, M3, and M4 gives you a fully customiz...

Issues relating to the standard three-piece crank hub on the S55 and N55 engine are widely known, and include the need to ensure the OE crank bolt ...

Looking for a simple, cost-effective and warranty-friendly upgrade for your car? Our MMR Performance Panel Air Filter will upgrade the breathing ab...

The MMR Performance MMX BMW X3M F97 Lowering Spring Kit delivers the perfect blend of improved dynamics and enhanced looks, yet without sacrificing...

Increases cooling efficiency up to 30% compared to OE discs/rotors MMX Performance disc upgrades are designed to directly replace your OEM brake di...

Increases cooling efficiency up to 30% compared to OE discs/rotors MMX Performance disc upgrades are designed to directly replace your OEM brake di...

The MMR Performance billet temp adaptor is a helpful addition to BMW's N54, N55 and S55 engines for those wishing to run an auxiliary oil pressure ...

Control the oil temperature on your BMW N54 or N55 with our MMR Performance low oil temperature thermostat. By maintaining your oil temps between 9...

The MMR Performance lowering springs for BMW F80 M3 and M3 Competition models deliver the perfect blend of improved dynamics and enhanced looks, ye...

The MMR Performance lowering springs for BMW M135i, M140i, M235i and M240i models deliver the perfect blend of improved dynamics and enhanced looks...

PCM works by using our in-house developed calibration running on our standalone PCB, which communicates in parallel with the factory ECU. This comm...

Searching for the ultimate air filter for your 3.0L S55 BMW? Discover the MMX Performance Elite Series panel filter—a premium, tri-foam, direct OE ...

The MMX Performance lowering springs for the BMW M135i model delivers the perfect blend of improved dynamics and enhanced looks, yet without sacrif...